English is the official language of the Commonwealth of Nations, as it is the language of the United Kingdom, which is the head of the Commonwealth.

English is spoken by the largest number of people in the Commonwealth of Nations, as it is the official language of many countries, including the United Kingdom, Canada, Australia, and New Zealand.

English is spoken in the most countries in the Commonwealth of Nations, as it is the official language of many countries, including the United Kingdom, Canada, Australia, and New Zealand.

English is the official language of the International Civil Aviation Organization (ICAO), as it is the most widely spoken language in the world.

English is the official language of the International Maritime Organization (IMO), as it is the most widely spoken language in the world.

French is the official language of the Universal Postal Union (UPU), as it was the language of the country where the UPU was founded.

English is the official language of the International Telecommunication Union (ITU), as it is the most widely spoken language in the world.

English is the official language of the World Meteorological Organization (WMO), as it is the most widely spoken language in the world.

English is the official language of the International Atomic Energy Agency (IAEA), as it is the most widely spoken language in the world.

English is the official language of the International Civil Defense Organization (ICDO), as it is the most widely spoken language in the world.

English is the official language of the Commonwealth Telecommunications Organisation (CTO), as it is the most widely spoken language in the world.

English is the official language of the Commonwealth of Nations Secretariat, as it is the most widely spoken language in the world.

English is the official language of the Commonwealth Foundation, as it is the most widely spoken language in the world.

English is the official language of the Commonwealth Parliamentary Association (CPA), as it is the most widely spoken language in the world.

English is the official language of the Commonwealth Games Federation (CGF), as it is the most widely spoken language in the world.